All roadside properties along Cardiff Street, and any associated roads, from the junction of Cardiff Street with Vitoria Square to the junction of Cardiff Street with Cross Street and Station Street.

From NE and NW boundaries of Stephenson Court, NW boundary of Burgess Court, NW and SW boundaries of Four Elms Court, SW corner of Four Elms Court south across Newport road to the junction with Orbit street, West across Newport Road to the SE corner of Stephenson Court

Elevated annual mean NO2 concentrations at residential properties alongside main arterial routes, which located within Hafod, Sketty and Fforestfach area.

An area encompassing all the properties on the west side of Partidge Road, Llwynypia from 103C to 128, including the Post Office.

An area surrounding Lakeside Court, Penstowe.

An area in Nantgarw encompassing the properties at Graig View along the western edge of the A468.

All roadside properties along Gelliwastad Road and Morgan Street west to the junction of Gelliwastad Road and Gelliwastad Grove.

An area encompassing properties along both sides of East Road, Tylorstown, between numbers 7 and 254 to the north and number 31 to the south.

An area encompassing properties along High Street and Duffryn Street to the junction with with Brook Street in Ferndale.

An area encompassing all roadside properties from 5 Nightingales Bush to 46 Pentrebach Road alongside the A470.